<template>
    <div>
        <city-header></city-header>
        <city-search :cities="cities"></city-search>
        <city-list 
        :cities="cities" 
        :hot="hotCities"
        :letter = "letter"
        ></city-list>
        <city-alphabet 
        :cities="cities"
        @change="handleLetterChange"
        ></city-alphabet>
    </div>
</template>

<script>
import axios from 'axios'
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/list'
import CityAlphabet from './components/Alphabet'
    export default {
        name: 'City',
        components: {
            CityHeader,
            CitySearch,
            CityList,
            CityAlphabet
        },
        data(){
            return {
                cities: {},
                hotCities: [],
                letter: null
            }
        },
        methods: {
            getCityInfo () {
                axios.get('/api/city.json')
                .then(this.handleGetCityInfo)
            },
            handleGetCityInfo (res) {
               res = res.data
               if(res.ret && res.data){
                   const data = res.data
                   this.cities = data.cities
                   this.hotCities = data.hotCities
               }
            },
            handleLetterChange (letter) {
                this.letter = letter
            }
        },
        mounted () {
            this.getCityInfo()
        }
    }
</script>

<style lang="stylus" scoped>

    
</style>

